A kind of highly corrosive water-based aluminum-silver paste and preparation method thereof
An aluminum-silver paste, corrosive technology, applied in chemical instruments and methods, pigment pastes, fibrous fillers, etc., can solve problems such as affecting the use effect of water-based aluminum-silver paste, not having corrosion resistance, falling off powder, etc. Achieve the effect of good use effect, high corrosion resistance and easy operation
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Embodiment 1
[0018] Take an equal amount of solvent-based aluminum silver paste and acetone, and mix them according to the mass ratio of 1:1, then place the mixed solution in an ultrasonic machine, and after ultrasonication for 15 minutes, stir and clean to remove the fatty acid on the surface of the solvent-based aluminum silver paste. Obtain aluminum silver paste solid after suction filtration and drying; Get 13 parts by weight of tetraethyl orthosilicate, then add 26 parts by weight of absolute ethanol to dilute to obtain mixed solution A; Get 4 parts by weight of ammonia water and 9 parts by weight of dehydrated Ionized water, then add 26 parts by weight of absolute ethanol to dilute to obtain a mixed solution B; get 90 parts by weight of the aluminum silver paste solid obtained by S1 and 48 parts by weight of an aqueous solution of 0.5wt% graphene oxide to mix and put into the reaction In the reactor, then add 200 parts by weight of absolute ethanol to the reactor, stir and disperse an...
Embodiment 2
[0020] Take an equal amount of solvent-based aluminum silver paste and acetone, and mix them according to the mass ratio of 1:1, then place the mixed solution in an ultrasonic machine, and after ultrasonication for 15 minutes, stir and clean to remove the fatty acid on the surface of the solvent-based aluminum silver paste. Obtain aluminum silver paste solid after suction filtration and drying; Take 15 parts by weight of tetraethyl orthosilicate, then add 30 parts by weight of absolute ethanol to dilute to obtain mixed solution A; Get 6 parts by weight of ammonia water and 9 parts by weight of dehydrated Ionized water, then add 30 parts by weight of absolute ethanol to dilute to obtain mixed solution B; get the aluminum silver paste solid obtained by 100 parts by weight of S1 and 50 parts by weight of 0.5wt% graphene oxide aqueous solution to mix and put into the reaction In the reactor, then add 200 parts by weight of absolute ethanol to the reactor, stir and disperse and mix;...
Embodiment 3
[0022] Take an equal amount of solvent-based aluminum silver paste and acetone, and mix them according to the mass ratio of 1:1, then place the mixed solution in an ultrasonic machine, and after ultrasonication for 15 minutes, stir and clean to remove the fatty acid on the surface of the solvent-based aluminum silver paste. Obtain aluminum silver paste solid after suction filtration and drying; Get 17 parts by weight of tetraethyl orthosilicate, then add 32 parts by weight of absolute ethanol to dilute to obtain mixed solution A; Get 7 parts by weight of ammonia water and 9 parts by weight of dehydrated Ionized water, then add 32 parts by weight of absolute ethanol to dilute to obtain a mixed solution B; get 110 parts by weight of the aluminum silver paste solid obtained by S1 and 51 parts by weight of an aqueous solution of 0.5wt% graphene oxide to mix and put into the reaction In the reactor, then add 200 parts by weight of absolute ethanol to the reactor, stir and disperse a...
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